The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to _____
A) lignin
B) cellulose
C) secondary compounds
D) sporopollenin
D
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Which of the following rules apply to the synthesis of nucleic acids?
a. Nucleotides are added to the 5? end of nucleic acids. b. The synthesis of nucleic acids cannot occur without the presence of an enzyme to catalyze the reaction. c. Strands are synthesized in a parallel direction such that one end of the double-stranded product has the 3? ends and other has the 5? ends. d. Complementary pairing between bases is required for copying nucleic acids.
Streak plate is a bacterial culture technique which can be used to:
A. calculate generation time B. measure optical density of bacteria C. There is more than one correct answer D. obtain pure culture E. count the number of bacteria
Which birth control method is the most effective in protecting against sexually transmitted diseases?
A. Abstinence B. The Pill C. Condoms D. An IUD E. The rhythm method
Which part of your brain processes the information in this question and, you hope, retrieves the information necessary to answer it?
A) cerebellum B) cerebral cortex C) hypothalamus D) pons E) midbrain